Output is showing truncated

#1

please tell me what is the error in the code
#include
using namespace std;
int main()
{
int n;
cin>>n;
char ch[n];
int i=0;
for(int i=0;i<n;i++)
{
cin>>ch[i];
}
cout<<ch[0];
while(i<n-1)
{
int result=0;
result=ch[i]-ch[i+1];
cout<<result<<ch[i+1];
i++;
}
}

#2

Hey @tharun
According to the question, you don’t need to input the no of characters n, just input the string and calculate n using the length function of the string and then proceed.

#3

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